Betula raddeana
Caucasian shrub birch (Betula raddeana )
The Caucasian shrub birch (Betula raddeana ) is a tree or shrub of the genus of birch trees in the birch family ( Betulaceae ). The distribution area is located in the Caucasus.
Description
The Caucasian shrub birch is a small tree or tall shrub with silvery gray or light pink colored bark and by the end of the growing season densely velvety pubescent, covered with a few bright warts drives. The leaves are broadly ovate, 3-5 inches long, pointed with a rounded or slightly heart-shaped base and irregularly coarsely serrated edge. The upper leaf surface is dull dark green and slightly hairy, the underside is pubescent. Each sheet can be formed 6-7 pairs of nerves. The hairy petiole is about 0.6 to 1.2 inches long. The female inflorescences are upright, 2 to 4 inches long, ellipsoidal kitten. The tip of the fruit shed stand upright, the middle one is twice as long as the side.
Distribution and ecology
The distribution area is located in the Caucasus. Where it grows in cool moist forests on nutrient-rich, acidic to slightly alkaline, rich, sandy- loamy to loamy soils in full sun to light shade locations. The species is frost hardy.
Systematics and history of research
The Caucasian shrub birch (Betula raddeana ) is a species from the genus of birch (Betula ) in the birch family ( Betulaceae ). The first description was in 1887 by Ernst Rudolph Traut cousin Trudy Imperatorskago S. Peterburgskago Botaniceskago Sada. Acta Horti Petropolitani. St. Petersburg.
Use
The species is rarely used.